Issue 44, 2022
From the journal:

Dalton Transactions

A new supramolecular bonding motif involving NH bonds of ammonium salts and macrocycles derived from platinum corners and butadiynediyl linkers†

Brenna K. Collins,a   Nattamai Bhuvanesha  and  John A. Gladysz ORCID logo *a  

* Corresponding authors

a Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas 77842-3012, USA
E-mail: gladysz@mail.chem.tamu.edu

Abstract

CuI catalyzes reactions of cis-(R2C(CH2PPh2)2)Pt(C[triple bond, length as m-dash]CC[triple bond, length as m-dash]CH)2 and cis-(R2C(CH2PPh2)2)PtI2 in secondary amine solvents HNR’2 to give the title adducts [(R2C(C[upper bond 1 start]H2PPh2)2)Pt(C[upper bond 1 end][triple bond, length as m-dash]CC[triple bond, length as m-dash]C)]4·(H2NR’2+I−)n (R/R’/n = Me/Et/1, Me/((CH2CH2)2O)0.5/3, Et/Et/1, Et/CH2CH[double bond, length as m-dash]CH2/1; 92–42%). Crystal structures of these or closely related species establish folded Pt4 cores containing ammonium cation guests, with NH/ and NCH/C[triple bond, length as m-dash]C hydrogen bonding. DOSY NMR experiments show that the host/guest relationship can be maintained in solution.

Graphical abstract: A new supramolecular bonding motif involving NH bonds of ammonium salts and macrocycles derived from platinum corners and butadiynediyl linkers

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Article information

DOI
https://doi.org/10.1039/D2DT02680E
Article type
Communication
Submitted
16 Aug 2022
Accepted
28 Sep 2022
First published
21 Oct 2022

Dalton Trans., 2022,51, 16795-16799

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A new supramolecular bonding motif involving NH bonds of ammonium salts and macrocycles derived from platinum corners and butadiynediyl linkers

B. K. Collins, N. Bhuvanesh and J. A. Gladysz, Dalton Trans., 2022, 51, 16795 DOI: 10.1039/D2DT02680E

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